28542248532 has 144 divisors (see below), whose sum is σ = 91143601920. Its totient is φ = 7675202304.

The previous prime is 28542248507. The next prime is 28542248653. The reversal of 28542248532 is 23584224582.

28542248532 is a `hidden beast` number, since 2 + 8 + 54 + 22 + 48 + 532 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68668 + ... + 248595.

It is an arithmetic number, because the mean of its divisors is an integer number (632941680).

Almost surely, 2^28542248532 is an apocalyptic number.

It is an amenable number.

28542248532 is an abundant number, since it is smaller than the sum of its proper divisors (62601353388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28542248532 is a wasteful number, since it uses less digits than its factorization.

28542248532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317307 (or 317292 counting only the distinct ones).

The product of its digits is 1228800, while the sum is 45.

The spelling of 28542248532 in words is "twenty-eight billion, five hundred forty-two million, two hundred forty-eight thousand, five hundred thirty-two".